6 - FORM NO. 56043056 / ConvertaMAX™ 20/26 / BA 550/650
MAINTENANCE
MAINTENANCE SCHEDULE
Maintenance intervals given are for average operating conditions. Machines used in severe operational environments may require
service more often.
MAINTENANCE ITEM
Daily
Weekly
Monthly
Yearly
Charge Batteries
•
Drain/Clean and Check Tanks & Hoses
•
Check/Clean/Rotate the Brushes/Pads
•
Check/Clean/Adjust the Squeegee
•
•
Check/Clean Vacuum Shut-Off Float
•
Check Each Battery Cell(s) Water Level
•
Inspect and Clean Solution Filter
•
Lubrication – Grease Fittings
•
*Check Motor Carbon Brushes
•
Note: See the individual machine system sections for maintenance information.
* Have Nilfisk-Advance:
IMPORTANT!
Motor damage resulting from failure to service the carbon brushes is not covered under warranty. See the Limited Warranty
Statement.
Check vacuum motor carbon brushes (Qty 2) once a year or after 300 operating hours.
Note if the vacuum or brush motor carbon brushes are 9.5mm (3/8 inches) or shorter, replace them.
Check brush motor carbon brushes (Qty 4) once a year or after 500 operating hours.
Check wheel drive motor carbon brushes every 500 operating hours. The original length of each brush is 20mm (25/32 inches).
Replace when shorter than 9.5 mm (3/8 inches) to obtain the same motor efficiency as a new brush.
WARNING!
Turn the key switch off and disconnect the battery before servicing the machine.
BATTERIES AND CHARGERS
Attention: See the electrical system manual section for battery installation and charger system requirements.
LUBRICATING THE MACHINE
Once a month, pump a small amount of grease into each grease fitting on the machine until grease seeps out around the bearings.
Grease fitting locations are:
•
Rear Caster Wheel Axle & Swivel (2) per Assembly
Once a month, apply light machine oil to lubricate the:
•
Drive Chain
•
Squeegee Height Adjustment Caster Hardware
•
Pivot Points For the Squeegee & Scrub Brush Linkage